Home / 262,423.47-393,632.61-120,228.40

Finding the Fourth Proportional to 262,423.47, 393,632.61 and 120,228.40

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Solution

The fourth proportional to 262,423.47, 393,632.61 and 120,228.40 is: 180,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,423.47 : 393,632.61 = 120,228.40 : x
  2. Step 2: Convert to fraction form
    262,423.47/393,632.61 = 120,228.40/x
  3. Step 3: Cross multiply
    262,423.47x = 393,632.61 × 120,228.40
  4. Step 4: Simplify right side
    262,423.47x = 47,325,818,888.12
  5. Step 5: Solve for x
    x = 47,325,818,888.12/262,423.47
  6. Step 6: Final answer
    x = 180,341.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.